Henry Dundas was impeached for mis-appropriation of public money while serving as First Lord of the Admirality in this man's government, a charge he could not defend since it would have required revealing payments to French spies. This man delayed the Regency Bill, so preventing royal power from passing to the Prince of Wales, who would likely have elevated Charles James Fox over this man. This man supported George III, but fell out with him over the issue of Catholic Emancipation after passing the Act of Union, so he resigned. The fall of this man's first government, which had staunchly opposed the French revolution and succeeding regimes, was a central reason for the Treaty of Amiens, and 
Henry Dundas was impeached for mis-appropriation of public money while serving as First Lord of the Admirality in this man's government, a charge he could not defend since it would have required revealing payments to French spies. This man delayed the Regency Bill, so preventing royal power from passing to the Prince of Wales, who would likely have elevated Charles James Fox over this man. This man supported George III, but fell out with him over the issue of Catholic Emancipation after passing the Act of Union, so he resigned. The fall of this man's first government, which had staunchly opposed the French revolution and succeeding regimes, was a central reason for the Treaty of Amiens, and the return of this man to power in 1804 hastened the resumption of war with France. For ten points, name this Prime Minister whose father also governed Britain during a long and expensive war with France.
Henry Dundas was impeached for mis-appropriation of public money while serving as First Lord of the Admirality in this man's government, a charge he could not defend since it would have required revealing payments to French spies.
William {Pitt} the {Younger} (prompt on “{Pitt}”)